Keyboard stand



FIG. 1 is a front perspective view for a keyboard stand, showing my new design;

FIG. 2 is a perspective view showing the keyboard stand in a folded state;

FIG. 3 is a front view of the keyboard stand from FIG. 1 ;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM The ornamental design for a keyboard stand, as shown and described. 